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Finding the Fourth Proportional to 173,298.40, 259,947.60 and 166,409.35

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Solution

The fourth proportional to 173,298.40, 259,947.60 and 166,409.35 is: 249,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,298.40 : 259,947.60 = 166,409.35 : x
  2. Step 2: Convert to fraction form
    173,298.40/259,947.60 = 166,409.35/x
  3. Step 3: Cross multiply
    173,298.40x = 259,947.60 × 166,409.35
  4. Step 4: Simplify right side
    173,298.40x = 43,257,711,150.06
  5. Step 5: Solve for x
    x = 43,257,711,150.06/173,298.40
  6. Step 6: Final answer
    x = 249,614.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.